Water-circulator.



.l. H. TAYLOR. WATER CIRCULATOR. APPLICATION FILED M31. 1914.

Patented Dec. 14, 1915.

W/TNESSES- ,6 I M, W

JOHN H. TAYLOR,

OF BATTLE CREEK, MICHIGAN.

WATER-CIRCULATOR.

Specification of Letters Patent.

Patented Dec. 14, 1915.

Application filed July 31, 1914. Serial No. 854,336. A

To all whom it may concern:

Be it known that I, JOHN H. TAYLOR, a citizen of the United States,residing at Battle Creek, in the county of Calhoun and State ofMichigan, have invented certain new and useful Improvements in lVater-Circulators, of which the following is a specification.

The present invention more particularly relates to water circulatorsemployed in connection with water heating boilers for augmenting theflow of water from the boiler to and from the radiators employed in theheating system.

From the fact that water to circulate must be heated to nearly. theboiling point before any perceptibleflow in the circulating system ismanifest, it is found that considerable time is consumed before adequateresults are obtained from the heating system owing to the flow of watertherethrough, and to produce the desired flow of water an intensive firemust be employed to heat the same. It is also experienced that when thecirculation of water has been established the water should not fallbelow a certain degree of heat to perpetuate the circulation thereof.The method is unscientific from the fact the water to freely circulatemust be unnecessarily heated at times when but a moderately heatedatmosphere is desired, and that to keep the water in circulation theboiler fires must be constantly supplied with fuel, which not onlyrequires extra time for an attendant but also overly consumes the fuelsupply at an additional expense.

The present invention has for its objects to evercome the objectionsenumerated and at the same time provide a water circulator that can beinstalled in any ordinary water heating system by an artisan of ordinaryability; whereby the same will not be restricted to any particularposition to successfully operate; be simple in construction, readilyaccessible to operate and thoroughly dependable to circulate water underall conditions of temperature. With these and other objects in view, theinvention will be hereinafter more fully set forth and described.

In the drawings illustrating an embodiment of my invention, Figure 1 isa longitudinal section bisecting the circulator chamber on a plane ofits axis. Fig. 2 is a longitudinal section transverse to the circulatorchamber, looking into said chamber.

Like marks of reference refer to corresponding parts throughout theviews in which- I A represents the induction and eduction conduit; B thehead of the circulator chamber; C the mechanically-operated spiralpropeller circulator.

In the installation of the water circulator the conduit A is placed ineither the main flow or return pipe between the boiler and radiators,and the clearance area of its opening equals or exceeds the area of thehot Water pipes leading to and from the same for the purpose ofaffording an unobstructed flow of water therethrough at any and alltimes. The said conduit A as shown, has the two end bolting flanges 1,1, for attachment between the flanged heads of the water circulatingmain of a heating system, and is fitted with gaskets and made watertight at the connections in the customary manner. One side of thisconduit is formed'with an opening having an outwardly-formed boltingflange to which a correspondinglyformed flange 2 of the circulatorchamberhead B is attached.

Projecting interiorly from the closed end of the head B and terminatingnominally flush with the flanged end thereof, a concentrically-formedcylinder 4 is provided, and between this cylinder and the closed end ofthe head an open-walled flaring induction chamber 5 is formed. Attachedto the free end of this cylinder a curved reduced-ended nozzle 6 isfitted. This nozzle projects in central alinement with the conduit A andextends toward the educting end thereof and in the direction of theflowing water.

Located within the neck of the head B and closing substantially one-halfthe area of the orifice between the head and the conduit A, a retardingplate or diaphragm 7 is provided. This plate occupies a positionimmediately to the side of the nozzle 6 and its free edge isdiametrically at right angles with the center of the cylinder, and itsoflice is to retard any backward tendency of water flowing past thenozzle in the conduit A.

J ournaled to rotate in the cylinder 4, the spiral water circulator C isfitted. This circulator is attached to a shaft 8 which'extends through abearing 9, the

latter of which fits through a central opening in the head follower 14of similar or like material to said bearing, a watertight gasket 15 alsobeing fitted between said bearing and the head B. Both the bearing and.the follower are formed with. ears 16, through which retainingcap-screws 17 engage screw-threaded holes in said head.

In operation the water circulator C is propelled in a direction to drawthe water into the conduit A, as indicated by the arrows w, x. As aportion of the water is drawn into the cylinder 4 by the rapidlyrevolving circulator C, the flow of the water is accelerated. The nozzlehaving its exit opening centrally of the conduit A and ejecting waterunder pressure at high velocity, a partial vacuum to the rear of thenozzle opening is created, which action performs the function of asiphon to draw the water through the conduit A and the circulatingsystem connected therewith, while at the same time the augmented currentfrom the nozzle further facilitates the How of water through thecirculating system connected with the radiators, or vice versa.

It would be obvious to effectually heat a large apartment of anydescription orcharacter, or even a medium sized one, by means of waterheated suiiiciently to create a circulation, considerable time wouldnecessarily elapse before sufficient heat could be generated to raisethe water in a boiler to a circulating point after the. fires werestarted, whereas by the foregoing method even moderately warm water maybe drawn from the boiler and forced through the radiators to facilitatethe heating of an apartment immediately following the starting of thecirculator.

While the principal characteristics of my invention have been hereindisclosed, to those skilled in the art to which it appertains it mightbe evident that certain details of construction could be resorted to incarrying out its operation without departing from the novelty and intentof my invention, and I hold m self entitled to such modifications as maye expedient and compatible with the spirit and intent of itsapplication.

Having, therefore, described my invention, what I claim as new anddesire to secure by:Letters Patent, is:

1. In a water circulator, a water conduit, an open-ended cylinder insaid conduit, a reducing nozzle fitted to one end of said cylinder, aspiral circulator journaled to rotatein said cylinder, and means torotate said circulator to force water out of said cylinder through saidnozzle.

2. In a water circulator, a waterconduit, 'ano en-ended cylinder in saidconduit, a spiral circulator journaled to'rotate in said conduit, anozzle fitted to one end of said cylinder and having its dischargeopening concentric within said conduit, and means to rotate saidcirculator to force water out of said nozzle.

3. In a water circulator, a water conduit, an open-ended cylinderdisposed within said conduit and having a free passage for water aboutits circumference, a reduced nozzle fitted to one end of said cylinderand opening in the same plane with the bore of said conduit, a spiralcirculator journaled' to rotate in said cylinder, and means to rotatesaid circulator to force Water from the exit of said nozzle.

4. A water circulator comprising an openended conduit having an offsetforming a chamber opening into said conduit, a concentrically-spacedopen'ended-cylinder formed within said offset chamber, a nozzle fittedto said cylinder. and opening in alinement with said conduit, a spiralcirculator journaled to operate in said cylinder and rotate in a direction to draw water into said cylinder and eject it from said nozzle.

5. A water circulator comprising an openended conduit having an offsetchamber opening into said conduit, a spaced concentrically-formedopen-ended cylinder formed in said ofiset chamber, a nozzle extendingfrom said cylinder inalinement within said conduit, a retarding plateseparating said tube from said offset chamber adjacent to said nozzle, aspiral circulator j ournaled to rotate in said cylinder to force waterfrom said cylinder through said nozzle. JOHN H. TAYLOR. Witnesses:

N. A. COBB,

ELLA ENGELKE.

